<p>Online Resource 2 – Logistic regression Bayesian Information Criterion (BIC) statistics and McFadden’s pseudo R 2 values for all models and halophytes species. For models including land cover the buffer distance used in the respective model is noted as 100m or 1 km. All Halophytes, Excluding All Halophytes Phragmites australis Model Land Cover BIC Pseudo R2 BIC Pseudo R2 Global 100m 2435.95 0.096 1137.89 0.273 Global 1km 2442.15 0.093 1150.97 0.264 Urbanization - Land Cover + Dist. to 100m 0.061 Chicago 2474.50 1259.74 0.153 Urbanization - Land Cover + Dist. to 1km 0.047 Chicago 2510.11 1309.02 0.120 Urbanization - Land 100m 0.049 Cover 2496.26 1307.07 0.116 Urbanization - Land 1km 0.039 Cover 2522.08 1345.06 0.090 Urbanization - Dist. to 0.042 Chicago 2514.64 1310.50 0.113 Roads 2574.42 0.022 1317.52 0.114 Propagule Sources 2565.68 0.023 1268.75 0.142 Urban Land Cover + 100m 0.057 Roads 2490.77 1237.97 0.173 Urban Land Cover + 1km 0.054 Roads 2500.24 1235.25 0.175 Urban Land Cover + 100m 0.057 Road Type 2483.43 1244.04 0.164 Urban Land Cover + 1km 0.053 Road Type 2493.11 1258.60 0.154 Urban Land Cover + 100m 0.049 Dist. to Road 2503.87 1291.79 0.131 Urban Land Cover + 1km 0.040 Dist. to Road 2527.11 1306.09 0.122 Road Type + Dist. to 0.054 Chicago 2491.09 1238.37 0.168 Road + Propagule 2526.94 0.043 1170.66 0.220 Sources Road Type + 0.040 Propagule Sources 2528.67 1200.10 0.194 Dist to. Road + 0.030 Propagule Sources 2555.25 1219.19 0.181 Wetland/Water Land 100m 0.021 Cover 2579.21 1439.88 0.030 Wetland/Water Land 1km 0.011 Cover 2603.35 1471.66 0.008 Rural Land Cover 100m 2541.45 0.035 1349.34 0.092 Rural Land Cover 1km 2519.31 0.043 1335.47 0.102</p>